Why it matters
Microsoft recommends the h1 closely reflect the title; large mismatches make Google rewrite the title link.
How to fix it
Align the h1 and title around the same topic phrase (the title may add the brand).
References
More seo rules
void seo reports 60 rules in this category. What search engines need from the raw response: status codes, titles and descriptions in <head>, self-referencing canonicals, one h1, crawlable links, Open Graph, icons, robots.txt and a sitemap with real dates.
canonical-conflictCanonical target redirects, is noindex, or canonicalises elsewherecanonical-not-selfCanonical points to a different URLhead-js-mutationJavaScript changes canonical, robots, title or description after loadh1-countPage doesn't have exactly one visible <h1> in the server HTMLheading-skipHeading levels skip (h2 → h4) or headings are emptyimg-alt-missing<img> without an alt attributeimg-alt-qualityAlt text is a filename, a generic word, or overly longlinks-not-crawlableNavigation uses elements crawlers can't follow